package com.example.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.domain.Book;

import java.util.List;

public interface BookService  {
   public boolean save(Book book);
   public Book getById(Integer id);
   public boolean update(Book book);
   public boolean delete(Integer id);
   public List<Book> getAll();
}
